Patents
Patents for G01N 30 - Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography (41,194)
10/1992
10/01/1992WO1992016823A1 Device for evaporating small quantities of a fluid for analytical purposes
10/01/1992WO1992016292A1 Adsorption matrices
10/01/1992WO1992016275A1 Continuous chromatography
10/01/1992DE4109858A1 Vapour emission detection for solid or liquid substances - using gas chromatograph with cooling of gas chromatograph column during collection followed by heating to operating temp.
09/1992
09/30/1992WO1992017777A1 Thin-layer chromatography process and device bringing into play a reduced pressure as the forced flow means
09/30/1992EP0505564A1 An hplc light-scattering detector for biopolymers.
09/30/1992CA2083939A1 Thin-layer chromatography process and device bringing into play a reduced pressure as the forced flow means
09/29/1992WO1992017259A1 On-line product identification in a chromatography effluent by subtraction
09/29/1992US5151371 Method and scavenger gas for the analysis of oxygen-containing components using atomic emission spectrometry
09/29/1992US5151178 Axially-driven valve controlled trapping assembly
09/29/1992US5151110 Molecular sieve sensors for selective detection at the nanogram level
09/29/1992US5150601 Fluid sampling for gas chromatograph with modified sampling valve
09/29/1992CA2083820A1 On-line product identification in a chromatography effluent by substraction
09/29/1992CA1308025C Phospholipid composition
09/24/1992DE4108820A1 Kontinuierliche chromatographie Continuous chromatography
09/23/1992EP0505151A2 Preparation of the penicilline binding protein 2A from staphylococcus aureus 27R, purification and use in a resistant-assay
09/23/1992EP0504288A1 Fluorinated poly(naphthyl ethers)
09/22/1992US5149661 Mixing sample solution with particulate reagent to form suspension and modify to yield concentration of detectable substance correlating to concentration of original analyte
09/22/1992US5149436 Continuous displacement chromatographic method
09/22/1992US5149425 Affinity supports for hemoperfusion
09/21/1992CA2060729A1 Detection method for checking surfaces for specific compounds
09/20/1992CA2063316A1 Dna and amino acid sequence of penicillin binding protein 2a from staphylococcus aureus strain 27r and derivatives for use in purification thereof and assay for compounds effective against methicillin resistant organisms
09/17/1992WO1992015875A1 Pneumatic controller for analyzer transport device
09/17/1992WO1992015853A1 Heated sample transfer apparatus
09/17/1992WO1992015635A1 Polysaccharide derivative, production thereof, and separating agent
09/16/1992EP0502998A1 Explosive detection screening system
09/16/1992CN2116215U Liquid phase chromatograph column constant temperature cabinet
09/16/1992CN1064545A Photodensitometer of fluorescence picture
09/15/1992US5147612 Apparatus for preparation of standard gas mixtures
09/15/1992US5147562 Acoustophoresis method and apparatus
09/15/1992US5147551 For liquid extraction and separation in qualitative and quantitative analysis
09/15/1992US5147539 Controlled pore composite polytetrafluoroethylene article
09/15/1992US5147538 Field-portable apparatus and method for analytical supercritical fluid extraction of sorbent materials
09/15/1992US5147537 Carrier for affinity chromatography immobilized with antibodies
09/15/1992US5147536 Chromatography
09/15/1992US5146793 Fluid seal
09/15/1992CA1307447C Method and device for ketone measurement
09/10/1992DE4106631A1 Sepn column for liq. chromatography - has end piece positioned on inlet side and integrated in preliminary column
09/09/1992EP0502564A1 Fluid dispensing system
09/09/1992EP0502121A1 Process and apparatus for simultaneous measurement of sulfur and non-sulfur containing compounds
09/09/1992EP0501955A1 Selective detection of vapors
09/08/1992US5145579 Method of manufacturing a separation column
09/02/1992EP0501309A1 Packings combining protein to a support via a spacer
09/02/1992EP0501307A2 Method for amino acid sequence analysis
09/02/1992EP0500938A1 Method and device for preparation of standard vapour-gas mixture of substance to be analyzed
09/02/1992EP0500685A1 Method to identify analyte-binding ligands
09/01/1992US5143753 Bonded polymer coating of internal surface of a silica-containing capillary
09/01/1992US5143118 Solenoid control valve
09/01/1992CA1306988C Separation medium
08/1992
08/29/1992WO1992015874A1 High voltage spark excitation and ionization detector system
08/29/1992WO1992015854A1 Needle interface apparatus
08/29/1992CA2101649A1 Needle interface apparatus
08/26/1992EP0386033B1 Device and procedure for metering samples in gas chromatography
08/26/1992CN2114162U Positive or negative ion chromatorgaphic control column
08/25/1992US5142144 Methods and means for detection of dangerous substances
08/25/1992US5141806 Chromatographic packing, activated catalysts
08/25/1992US5141651 Separation a mixture of particles in carrier fluid by inducing driving force and reducing the thickness of cross-section
08/25/1992US5141635 Fluid distributor and device for treating a fluid such as a chromatograph equipped with said distributor
08/25/1992US5141634 High stability porous zirconium oxide spherules
08/25/1992US5141609 Method and device employing time-delayed integration for detecting sample components after separation
08/25/1992US5141548 Inserting capillary into bore of disc, heating segment outside of bore, softening, bending, miniaturization
08/25/1992US5141534 Sample collection and inlet systems for gas chromatography apparatus
08/25/1992US5141532 Thermal modulation inlet for gas chromatography system
08/25/1992CA1306675C Process for immunochromatography with colloidal particles
08/20/1992WO1992013622A1 Chromatographic technique and apparatus
08/20/1992DE4204853A1 Automatic chromatographic analysis of samples - using known sample chromatogram to adjust peak retention time window
08/19/1992EP0499477A2 Solenoid control valve
08/19/1992EP0499445A2 Process gas chromatographic system
08/19/1992CN1017936B Quantitative analysis method for oil and gas constituents of oil reservoir rock
08/19/1992CN1017935B Sample injection or extraction head for gaseous or liquid fluids
08/19/1992CN1017934B Rapid measuring method and apparatus for micro anti-active index
08/18/1992US5140527 Method for the determination of the ionic content of drilling mud
08/18/1992US5140169 Long path flow cell resistant to corrosive environments for fiber optic spectroscopy
08/18/1992US5139681 On-line multidimensional chromatographic system with large volume injection handling for supercritical fluid chromatography
08/18/1992US5139680 Two dimensional bed which has different structure in two different directions
08/18/1992US5138889 Hand held explosives detection system
08/15/1992CA2061152A1 Solenoid control valve
08/12/1992EP0498557A1 Solid phase extraction medium
08/12/1992EP0497915A1 hPTH (1-37) FRAGMENT, ITS PRODUCTION, DRUG CONTAINING IT AND ITS USE.
08/11/1992US5137638 Separation agent comprising acyl- or carbamoyl-substituted polysaccharide
08/11/1992US5137628 Sealing arrangement for a chromatography column
08/11/1992US5137627 Deactivated supports for liquid chromatographic separation of silanophiles
08/11/1992US5137626 Solid-phase extraction tubes containing sulfonazide bonded-phase extractants
08/11/1992US5137553 Molecular jet separator
08/06/1992WO1992013273A1 Method of diagnosing or categorizing disorders from biochemical profiles
08/06/1992DE4106875C1 Determn. of nitrogen oxide(s) in gas mixts. - by oxidising, treating with hydrazine deriv. to form di:nitrophenyl azide followed by spectrophotometric determn. of azide
08/05/1992EP0497434A2 A dual beam full spectrum multichannel spectrophotometer
08/05/1992EP0497372A1 Fluorescent image densitometer of flying spot system
08/05/1992CN2112155U Capillary tube effect tester
08/05/1992CN1063362A Automatic gathering and analytic system of methane
08/04/1992US5135718 Apparatus for simultaneously analyzing vanillylmandelic acid, homovanillic acid and creatinine
08/04/1992US5135658 Method for reducing detector noise in a chromatography system
08/04/1992US5135657 Mixing with surfactant; reverse phase gradient elution
08/04/1992US5135649 Silicone polymer having bonded hydrocarbon and polyoxyalkylene or hydroxyl groups
08/04/1992US5135627 Mosaic microcolumns, slabs, and separation media for electrophoresis and chromatography
08/04/1992US5135549 Multi-stage thermal modulation
07/1992
07/30/1992DE4112239C1 Detection and absorption of organically bound halogen(s) in aq. specimens - by passing soln. via 2 adsorption columns of active carbon@ in series, burning resulting moist carbon in oxygen@ flow and detecting by coulometry
07/29/1992EP0495903A1 Separation of mixtures by two-phase systems
07/29/1992EP0489842A4 Osmotic method for determining the molecular weight of solutes in solution with a solvent
07/29/1992CN1017651B Analytical method of thermal deadsorption spectrum of reaction and dissociation